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How do I know if the fuel pump is clogged up?

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You won't get fuel to engine, it may run rough or run with reduced power. If you do have a clogged fuel filter, I suggest taking to ford dealer for repair

Posted on Dec 10, 2014

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Pumps from tank thru pump body but wont pump up to carb. Fitted to Land Rover


Possibilities:
  1. Clogged fuel filter(s);
  2. Defective fuel pressure regulator(s);
  3. Clogged fuel pickup ("tank sock");
  4. Clogged fuel line.

May 06, 2015 | Land Rover Cars & Trucks

1 Answer

What is wrong if the car won't start? Also if the engine turns over?


Could be several things. A clogged fuel filter, a non-working fuel pump, or a defective crank (angle) sensor, for example.

A defective crank angle sensor will prevent the ECU from knowing when to injecting fuel or make spark so it won't do either! The ECU will store a code if that is the problem.

Check the fuel pressure in the fuel rail. If none, the fuel pump may not run (or the in-line fuel filter is clogged.)

Check for fuel pressure and spark. If the gas is fresh, it ought to start.




Feb 11, 2015 | 1999 Jaguar XK8

1 Answer

Clogged fuel line


How do you know that it is clogged? There are several possibilities. There is an Inertia switch which shuts off fuel pump power. Do you hear a fuel pump running when the key is turned on? The fuel pump also has a Relay.

Has the fuel pump filter been replaced? The filter may be blocked. The tank also has a plastic internal screen which can break down and clog the pump intake.

Depending on where you live, below freezing temperatures can form ice in the lines. A product called "Heet" can melt this.

Jan 31, 2014 | Ford Explorer Sport Cars & Trucks

1 Answer

93 chevy caprice classic fuel pump relay


i would think if it were the relay you wouldn't hear the pump come on. I would unhook the fuel line just past the fuel filter. turn the key on long enough to see if the pump is pumping and is it getting past the filter. if it is you can rule out a possible clogged filter and you know the pump is pumping. I would then start looking for a clog. or locate the relay take it to the part store and get a new one. the problem is the relay only relays electrical signal to the pump that turns it on and off etc it doesn't tell it to pump or not pump gas so if you can hear it running it's not the relay

Jul 17, 2012 | Chevrolet Cars & Trucks

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I was told that the fuel pump for my Saturn SL was clogged. I cant afford to replace the pump right now, is there anything i can do to keep the car going till i can afford a new pump? What about having...


HUH??? Fuel pump "CLOGGED"??? I don't know who told you that, but I wouldn't let that person work on my bicycle! If there is a problem with your fuel pump, the ONLY thing you can do about it is to remove the fuel tank from the vehicle and replace the pump.
However, before I spent ANY money on ANYTHING, I would have the vehicle diagnosed by somebody that knows what they are talking about!
Do some checking and calling around. Many shops have finance options available for people that can't afford to come up with the huge chunk of cash that is required to replace something like a fuel pump. Some will even do 6 months same as cash...
This would probably be your best option.

May 14, 2011 | Saturn SL Cars & Trucks

2 Answers

Motor tries to die when accelerating---idles ok


Fuel pump pressure at the carburetor or injectors is probably too low. Check/replace the fuel filter to eliminate the possibility of a clogged fuel filter being the culprit. After you do that and still no improvement, check the fuel pump pressure. Still too low? Probably need a new fuel pump.

Jan 24, 2011 | 1993 Geo Metro

1 Answer

I was cruisin down the road in my 76 blazer and engine quit runnin. i popped the hood and seen that there was no fuel in my inline filter so thought it was fuel pump. Put new one on and still no fuel. What...


Could be clogged fuel line ,but the V8 engine fuel pump is operated by a offset lobe on the cam shaft,
take the fuel line loose at the pump and crank the engine,also line from tank to pump could clogged, if you have a air compressor,take the fuel cap off and back blow the line,
let me know if this helps.

May 16, 2010 | Cars & Trucks

2 Answers

Think i have a frozen fuel line on my '91 honda civic hatchback? any ideas where the freeze up may be?


if u hear the pump then the fuel pump relay is not the problem. did I misunderstand you, but didn't you say the pump makes a whirling noise?

Jan 05, 2010 | 1991 Honda Civic

4 Answers

My 99 Crown Vic acts like it isn't getting gas


check for clogged fuel filter first, usually the pump works or it dosen't, check and get back to me.

May 01, 2009 | 1988 Ford Crown Victoria

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